body {
    margin: 0;
    font-family: "Assistant", sans-serif;
    background: linear-gradient(145deg, #080c12, #101722);
    color: white;
    overflow-x: hidden;
}

/* LOADING SCREEN */
.loading-screen {
    position: fixed;
    inset: 0;
    background: #000;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    z-index: 20;
    transition: opacity 1s, visibility 1s;
}
.loading-screen.hide {
    opacity: 0;
    visibility: hidden;
}
.loader {
    width: 60px;
    height: 60px;
    border: 6px solid #333;
    border-top-color: #ff7b00;
    border-radius: 50%;
    animation: spin 1s infinite linear;
}
@keyframes spin {
    to { transform: rotate(360deg); }
}

/* NAVIGATION */
.nav {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 12px 20px;
    display: flex;
    align-items: center;
    background: rgba(255,255,255,0.04);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255,255,255,0.1);
    z-index: 10;
}
.nav-logo {
    width: 48px;
}
.nav-title {
    font-size: 1.2rem;
    margin-right: 12px;
    opacity: .9;
}

/* SPLASH SCREEN */
.splash {
    position: fixed;
    inset: 0;
    background: #000;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    z-index: 9;
    transition: opacity 1s, visibility 1s;
}
.splash.hide {
    opacity: 0;
    visibility: hidden;
}
.splash-logo {
    width: 180px;
}
.big-title {
    font-size: 2.3rem;
}

/* ANIMATIONS */
.fade-in { opacity:0; animation: fade 1.2s forwards; }
.fade-in.delay { animation-delay: .7s; }

@keyframes fade { to { opacity: 1; } }

.neon { text-shadow: 0 0 15px #ff7b00; }
.neon-title { text-shadow: 0 0 20px #ff8800; }

.glass {
    padding: 20px;
    border-radius: 20px;
    background: rgba(255,255,255,0.05);
    backdrop-filter: blur(15px);
}

/* HERO */
.hero {
    padding-top: 140px;
    text-align: center;
}
.hero-logo {
    width: 260px;
}
.float { animation: float 4s ease-in-out infinite; }

@keyframes float {
    0%,100% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
}

/* BUTTON */
.btn {
    display: inline-block;
    padding: 18px 40px;
    background: #ff7b00;
    color: white;
    font-size: 1.3rem;
    border-radius: 60px;
    text-decoration: none;
    margin-top: 25px;
    transition: transform .3s;
}
.btn:hover { transform: scale(1.05); }

.pulse { animation: pulse 2s infinite; }
@keyframes pulse {
    50% { transform: scale(1.08); }
}

.glow { box-shadow: 0 0 20px #ff7b00; }
.glass-btn {
    background: rgba(255,122,0,0.4);
    backdrop-filter: blur(12px);
}

/* GRID SECTION */
.grid-section {
    display: grid;
    gap: 20px;
    padding: 40px 20px;
}
.grid-card {
    background: rgba(255,255,255,0.06);
    padding: 25px;
    border-radius: 18px;
    backdrop-filter: blur(10px);
    transition: .3s;
}
.grid-card:hover {
    transform: translateY(-6px);
    background: rgba(255,255,255,0.1);
}

/* FOOTER */
footer {
    text-align: center;
    padding: 30px;
    font-size: .9rem;
    opacity: .8;
}

/* RESPONSIVE */
@media (min-width: 700px) {
    .grid-section {
        grid-template-columns: repeat(3, 1fr);
    }
    .hero-logo {
        width: 300px;
    }
    .big-title {
        font-size: 3rem;
    }
}